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1053253530 = 23457317223
BaseRepresentation
bin111110110001110…
…101111110011010
32201101212211020000
4332301311332122
54124113103110
6252302513430
735046336000
oct7661657632
92641784200
101053253530
114a0596a6a
12254895876
1313a294454
149dc50a70
15627001c0
hex3ec75f9a

1053253530 has 320 divisors, whose sum is σ = 3512678400. Its totient is φ = 225566208.

The previous prime is 1053253529. The next prime is 1053253541. The reversal of 1053253530 is 353523501.

1053253530 is a `hidden beast` number, since 105 + 3 + 25 + 3 + 530 = 666.

It is a super-2 number, since 2×10532535302 = 2218685996914921800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1053253494 and 1053253503.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4722999 + ... + 4723221.

It is an arithmetic number, because the mean of its divisors is an integer number (10977120).

Almost surely, 21053253530 is an apocalyptic number.

1053253530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1053253530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1756339200).

1053253530 is an abundant number, since it is smaller than the sum of its proper divisors (2459424870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1053253530 is a wasteful number, since it uses less digits than its factorization.

1053253530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 1053253530 is about 32453.8677201963. The cubic root of 1053253530 is about 1017.4450762892.

The spelling of 1053253530 in words is "one billion, fifty-three million, two hundred fifty-three thousand, five hundred thirty".